WorksheetsMaking Inferences
Total questions: 20
Worksheet time: 20mins
Q1. How many red shirts are there?
A) 5 red shirts
B) 17 red shirts
C) 40 red shirts
D) 83 red shirts
Petunia conducted a random survey of students to determine the favorite genre of music of 50 students. The results are shown in the bar graph. Based on the information in the graph, which inference about the students is valid?
Girls like country music more than boys like rap music
More girls than boys like rock music
Boys like country music more than rock music
Boys like rock music more than girls like rap music
A book store took a random survey of customers about their favorite book genre. The table shows the number of customers who selected each genre. Based on the information in the table, which inference about the favorite genre of all the customers appears to be valid?
They are certain to select Romance or Young Adult
They are less likely to select Sci-Fi than Horror, Non-Fiction or History
They are more likely to select Romance than Sci-Fi, Horror, and History
They are certain to select any genre other than History
A survey was taken at a school of 30 students favorite food. The circle graph shows the number of students who selected each. Based on the information in the graph, which inference about the favorite food of all students appears to be valid?
It is certain that a student will choose Pizza
It is less likely that a student will choose Pasta or Hamburgers over Pizza
It is certain that a student will NOT choose Pasta
It is more likely that a student will choose Pizza over Hamburgers, Pasta, or Other combined
A random survey was conducted at an office about the workers favorite office supply. The results are shown in the table below. Based on the information in the table, which inference about favorite office supply of all the workers appears to be valid?
It is certain that an office worker will NOT choose Tape as their favorite office supply
It is certain that an office worker will choose Paper as their favorite office supply
It is more likely that an office worker will choose Pens, Staplers, or Paper Clips over Paper
More people like Staplers or Paper Clips over Pens/Pencils
A random survey was conducted with 6th and 7th graders of their favorite sport. The results are shown in the bar graph. Based on the information in the graph, which inference about all 6th and 7th graders is valid?
6th graders like Basketball more than Football
More 6th graders than 7th graders like Soccer
6th graders like Soccer more than 7th graders like Baseball
7th graders like Football more than they like Basketball
The circle graph shows the results of a random survey of students who plan to attend the school dance. Based on the information in the graph, which inference about the general population of students is valid?
More 6th graders than 7th and 8th graders plan to attend the dance
8th graders do not like to dance
It is certain that a 6th grader will attend the dance
It is more likely that a 7th grader will attend the dance than a 8th grader attending
The results of a random survey about a person's favorite pet is shown in the table. Based on the information in the table, which inference about the favorite pet of the general population appears to be valid?
It is certain that a person will choose Dog as their favorite pet
It is less likely a person will choose Dog than Cat or Fish
It is more likely a person will choose Fish or Bird than Cat
Dogs are liked more than all other animals combined
A random survey of people at the mall was taken to determine favorite color. The results are shown in the circle graph. Based on the information in the graph, which inference about the general population is valid?
It is more likely someone will choose Blue than Red or Pink
It is certain that someone will NOT choose Black
It is less likely someone will choose Red than Green, Pink, or Purple
More people like Blue than all other colors combined
The bar graph shows the results of a random survey of people about their favorite fruit. Based on the information in the graph, which inference about the general population is valid?
More men than women like apples
More men like bananas than women like strawberries
More women like strawberries than men who like apples
It is certain that a woman will choose strawberries
The results of a random survey of students about their favorite extracurricular activity are shown in the graph. Based on the information in the graph, which inference about the general population of students is valid?
Less Boys like Choir than Girls like No Activity
More Girls than Boys like Band
Girls like Choir more than Boys like Sports
An equal amount of Boys and Girls like Band
The dot plots show how long it took students in Mr. Chauncey's two science classes to finish their science homework last night. Find the average to make an inference about the data.
The 1st period mean is 35. The 2nd period mean is 38.75. On average, it took students in the 1st period class slightly longer to finish their homework than it did the students in the 2nd period class.
The 1st period mean is 38.75. The 2nd period mean is 35. On average, it took students in the 1st period class slightly longer to finish their homework than it did the students in the 2nd period class.
The 1st period mean is 35. The 2nd period mean is 38.75. On average, it took students in the 2nd period class slightly longer to finish their homework than it did the students in the 1st period class.
The 1st period mean is 38.75. The 2nd period mean is 35. On average, it took students in the 2nd period class slightly longer to finish their homework than it did the students in the 1st period class.
The dot plots show the number of pets students have in two classes. Which statement is best supported by the data?
The mean of Mrs. Jones' class is higher than the mean of Mr. Carson's class.
The range of Mr. Carson's class is lower than the range of Mrs. Jones' class.
The median of Mr. Jones' class is equal to the median of Mr. Carson's class.
The mode of Mrs. Jones' class is higher than the mode of Mr. Carson's class.
The dot plots show the grades on a test of two different classes. Which statement is best supported by the data?
The distribution of both sets of data are mostly symmetrical
The mode of Ms. Henry's class is lower than the mode of Mrs. Clarence's class
The median of Ms. Henry's class is higher than the median of Mrs. Clarence's class
Mrs. Clarence's class has a higher range of test scores than Ms. Henry's class
Marvin's grades currently in math are 100, 97, 98, 74, and 85. Gavin's grades currently in math are 98, 100, 88, 91, and 65. Find the range of each student's scores and make an inference about their ranges.
If Mr. Estes looked at the means (averages) for the last SAFE Quiz for his classes, and the averages were 72%, 71%, and 74%, what inference can you make based on those averages?
If Mr. Estes looked at the means (averages) for the last SAFE Quiz for his classes, and the averages were 81%, 82%, and 99%, what inference can you make based on those averages?
Based on the Box Plots, which statement is correct.
The temperatures were higher on average in St. Louis
The temperatures varied more noticeably in Washington, D.C.
The temperatures had a higher measure of center in Washington, D.C.
St. Louis had the hottest recorded temperature
Based on the Box Plots, which statement is correct.
Washington, D.C. had the hottest temperature recorded
Washington, D.C. had the coldest temperature recorded
The weather varied more in Washington, D.C.
The temperatures had a higher measure of center in St. Louis
The dot plots show how long it took students in Mr. Chauncey's two science classes to finish their science homework last night. Find the means to make an inference about the data.
The 1st period mean is 35. The 2nd period mean is 38.75. On average, it took students in the 1st period class slightly longer to finish their homework than it did the students in the 2nd period class.
The 1st period mean is 38.75. The 2nd period mean is 35. On average, it took students in the 1st period class slightly longer to finish their homework than it did the students in the 2nd period class.
The 1st period mean is 35. The 2nd period mean is 38.75. On average, it took students in the 2nd period class slightly longer to finish their homework than it did the students in the 1st period class.
The 1st period mean is 38.75. The 2nd period mean is 35. On average, it took students in the 2nd period class slightly longer to finish their homework than it did the students in the 1st period class.
